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398 lines
16 KiB
398 lines
16 KiB
/**************************************************************************** |
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* include/sys/syscall.h |
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* This file contains the system call numbers. |
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* |
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* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __INCLUDE_SYS_SYSCALL_H |
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#define __INCLUDE_SYS_SYSCALL_H |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#ifndef __ASSEMBLY__ |
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# include <stdint.h> |
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#endif |
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/**************************************************************************** |
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* Reserve the first system calls for platform-specific usage if so |
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* configured. |
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*/ |
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#ifndef CONFIG_SYS_RESERVED |
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# define CONFIG_SYS_RESERVED (0) |
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#endif |
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/* System call numbers |
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* |
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* These first system calls are supported regardless of the NuttX |
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* configuration |
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*/ |
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#define SYS__exit (CONFIG_SYS_RESERVED+0) |
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#define SYS_exit (CONFIG_SYS_RESERVED+1) |
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#define SYS_get_errno (CONFIG_SYS_RESERVED+2) |
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#define SYS_getpid (CONFIG_SYS_RESERVED+3) |
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#define SYS_sched_getparam (CONFIG_SYS_RESERVED+4) |
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#define SYS_sched_getscheduler (CONFIG_SYS_RESERVED+5) |
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#define SYS_sched_lock (CONFIG_SYS_RESERVED+6) |
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#define SYS_sched_lockcount (CONFIG_SYS_RESERVED+7) |
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#define SYS_sched_rr_get_interval (CONFIG_SYS_RESERVED+8) |
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#define SYS_sched_setparam (CONFIG_SYS_RESERVED+9) |
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#define SYS_sched_setscheduler (CONFIG_SYS_RESERVED+10) |
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#define SYS_sched_unlock (CONFIG_SYS_RESERVED+11) |
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#define SYS_sched_yield (CONFIG_SYS_RESERVED+12) |
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#define SYS_sem_close (CONFIG_SYS_RESERVED+13) |
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#define SYS_sem_destroy (CONFIG_SYS_RESERVED+14) |
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#define SYS_sem_open (CONFIG_SYS_RESERVED+15) |
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#define SYS_sem_post (CONFIG_SYS_RESERVED+16) |
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#define SYS_sem_trywait (CONFIG_SYS_RESERVED+17) |
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#define SYS_sem_unlink (CONFIG_SYS_RESERVED+18) |
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#define SYS_sem_wait (CONFIG_SYS_RESERVED+19) |
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#define SYS_set_errno (CONFIG_SYS_RESERVED+20) |
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#define SYS_task_create (CONFIG_SYS_RESERVED+21) |
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#define SYS_task_delete (CONFIG_SYS_RESERVED+22) |
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#define SYS_task_restart (CONFIG_SYS_RESERVED+23) |
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#define SYS_up_assert (CONFIG_SYS_RESERVED+24) |
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#define SYS_up_assert_code (CONFIG_SYS_RESERVED+25) |
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#define __SYS_atexit (CONFIG_SYS_RESERVED+26) |
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/* The following can be individually enabled */ |
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#ifdef CONFIG_SCHED_ATEXIT |
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# define SYS_atexit __SYS_atexit |
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# define __SYS_onexit (__SYS_atexit+1) |
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#else |
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# define __SYS_onexit __SYS_atexit |
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#endif |
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#ifdef CONFIG_SCHED_ONEXIT |
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# define SYS_onexit __SYS_onexit |
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# define __SYS_waitpaid (__SYS_onexit+1) |
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#else |
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# define __SYS_waitpaid __SYS_onexit |
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#endif |
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#ifdef CONFIG_SCHED_WAITPID |
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# define SYS_waitpid __SYS_waitpaid |
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# define __SYS_signals (__SYS_waitpaid+1) |
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#else |
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# define __SYS_signals __SYS_waitpaid |
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#endif |
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/* The following are only defined is signals are supported in the NuttX |
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* configuration. |
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*/ |
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#ifndef CONFIG_DISABLE_SIGNALS |
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# define SYS_kill (__SYS_signals+0) |
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# define SYS_sigaction (__SYS_signals+1) |
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# define SYS_sigpending (__SYS_signals+2) |
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# define SYS_sigprocmask (__SYS_signals+3) |
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# define SYS_sigqueue (__SYS_signals+4) |
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# define SYS_sigsuspend (__SYS_signals+5) |
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# define SYS_sigtimedwait (__SYS_signals+6) |
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# define SYS_sigwaitinfo (__SYS_signals+7) |
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# define SYS_sleep (__SYS_signals+8) |
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# define SYS_usleep (__SYS_signals+9) |
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# define __SYS_clock (__SYS_signals+10) |
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#else |
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# define __SYS_clock __SYS_signals |
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#endif |
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/* The following are only defined if the system clock is enabled in the |
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* NuttX configuration. |
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*/ |
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#ifndef CONFIG_DISABLE_CLOCK |
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# define SYS_clock_systimer (__SYS_clock+0) |
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# define SYS_clock_getres (__SYS_clock+1) |
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# define SYS_clock_gettime (__SYS_clock+2) |
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# define SYS_clock_settime (__SYS_clock+3) |
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# define SYS_gettimeofday (__SYS_clock+4) |
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# define __SYS_timers (__SYS_clock+5) |
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#else |
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# define __SYS_timers __SYS_clock |
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#endif |
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/* The following are defined only if POSIX timers are supported */ |
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#ifndef CONFIG_DISABLE_POSIX_TIMERS |
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# define SYS_timer_create (__SYS_timers+0) |
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# define SYS_timer_delete (__SYS_timers+1) |
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# define SYS_timer_getoverrun (__SYS_timers+2) |
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# define SYS_timer_gettime (__SYS_timers+3) |
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# define SYS_timer_settime (__SYS_timers+4) |
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# define __SYS_descriptors (__SYS_timers+5) |
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#else |
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# define __SYS_descriptors __SYS_timers |
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#endif |
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/* The following are defined if either file or socket descriptor are |
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* enabled. |
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*/ |
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#ifndef CONFIG_NET |
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# undef CONFIG_NSOCKET_DESCRIPTORS |
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# define CONFIG_NSOCKET_DESCRIPTORS 0 |
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#endif |
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#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0 |
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# define SYS_close (__SYS_descriptors+0) |
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# define SYS_ioctl (__SYS_descriptors+1) |
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# define SYS_read (__SYS_descriptors+2) |
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# define SYS_write (__SYS_descriptors+3) |
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# ifndef CONFIG_DISABLE_POLL |
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# define SYS_poll (__SYS_descriptors+4) |
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# define SYS_select (__SYS_descriptors+5) |
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# define __SYS_filedesc (__SYS_descriptors+6) |
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# else |
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# define __SYS_filedesc (__SYS_descriptors+4) |
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# endif |
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#else |
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# define __SYS_filedesc __SYS_descriptors |
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#endif |
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/* The following are defined if file descriptors are enabled */ |
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#if CONFIG_NFILE_DESCRIPTORS > 0 |
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# define SYS_closedir (__SYS_filedesc+0) |
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# define SYS_dup (__SYS_filedesc+1) |
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# define SYS_dup2 (__SYS_filedesc+2) |
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# define SYS_fcntl (__SYS_filedesc+3) |
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# define SYS_lseek (__SYS_filedesc+4) |
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# define SYS_mkfifo (__SYS_filedesc+5) |
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# define SYS_mmap (__SYS_filedesc+6) |
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# define SYS_open (__SYS_filedesc+7) |
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# define SYS_opendir (__SYS_filedesc+8) |
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# define SYS_pipe (__SYS_filedesc+9) |
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# define SYS_readdir (__SYS_filedesc+10) |
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# define SYS_rewinddir (__SYS_filedesc+11) |
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# define SYS_seekdir (__SYS_filedesc+12) |
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# define SYS_stat (__SYS_filedesc+13) |
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# define SYS_statfs (__SYS_filedesc+14) |
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# define SYS_telldir (__SYS_filedesc+15) |
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# if CONFIG_NFILE_STREAMS > 0 |
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# define SYS_fs_fdopen (__SYS_filedesc+16) |
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# define SYS_sched_getstreams (__SYS_filedesc+17) |
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# define __SYS_mountpoint (__SYS_filedesc+18) |
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# else |
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# define __SYS_mountpoint (__SYS_filedesc+16) |
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# endif |
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# if !defined(CONFIG_DISABLE_MOUNTPOINT) |
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# define SYS_fsync (__SYS_mountpoint+0) |
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# define SYS_mkdir (__SYS_mountpoint+1) |
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# define SYS_mount (__SYS_mountpoint+2) |
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# define SYS_rename (__SYS_mountpoint+3) |
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# define SYS_rmdir (__SYS_mountpoint+4) |
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# define SYS_umount (__SYS_mountpoint+5) |
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# define SYS_unlink (__SYS_mountpoint+6) |
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# define __SYS_pthread (__SYS_mountpoint+7) |
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# else |
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# define __SYS_pthread __SYS_mountpoint |
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# endif |
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#else |
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# define __SYS_pthread __SYS_filedesc |
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#endif |
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/* The following are defined if pthreads are enabled */ |
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#ifndef CONFIG_DISABLE_PTHREAD |
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# define SYS_pthread_barrier_destroy (__SYS_pthread+0) |
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# define SYS_pthread_barrier_init (__SYS_pthread+1) |
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# define SYS_pthread_barrier_wait (__SYS_pthread+2) |
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# define SYS_pthread_cancel (__SYS_pthread+3) |
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# define SYS_pthread_cond_broadcast (__SYS_pthread+4) |
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# define SYS_pthread_cond_destroy (__SYS_pthread+5) |
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# define SYS_pthread_cond_init (__SYS_pthread+6) |
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# define SYS_pthread_cond_signal (__SYS_pthread+7) |
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# define SYS_pthread_cond_wait (__SYS_pthread+8) |
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# define SYS_pthread_create (__SYS_pthread+9) |
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# define SYS_pthread_detach (__SYS_pthread+10) |
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# define SYS_pthread_exit (__SYS_pthread+11) |
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# define SYS_pthread_getschedparam (__SYS_pthread+12) |
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# define SYS_pthread_getspecific (__SYS_pthread+13) |
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# define SYS_pthread_join (__SYS_pthread+14) |
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# define SYS_pthread_key_create (__SYS_pthread+15) |
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# define SYS_pthread_key_delete (__SYS_pthread+16) |
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# define SYS_pthread_mutex_destroy (__SYS_pthread+17) |
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# define SYS_pthread_mutex_init (__SYS_pthread+18) |
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# define SYS_pthread_mutex_lock (__SYS_pthread+19) |
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# define SYS_pthread_mutex_trylock (__SYS_pthread+20) |
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# define SYS_pthread_mutex_unlock (__SYS_pthread+21) |
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# define SYS_pthread_once (__SYS_pthread+22) |
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# define SYS_pthread_setcancelstate (__SYS_pthread+23) |
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# define SYS_pthread_setschedparam (__SYS_pthread+24) |
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# define SYS_pthread_setschedprio (__SYS_pthread+25) |
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# define SYS_pthread_setspecific (__SYS_pthread+26) |
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# define SYS_pthread_yield (__SYS_pthread+27) |
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# ifndef CONFIG_DISABLE_SIGNAL |
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# define SYS_pthread_cond_timedwait (__SYS_pthread+28) |
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# define SYS_pthread_kill (__SYS_pthread+29) |
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# define SYS_pthread_sigmask (__SYS_pthread+30) |
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# define __SYS_mqueue (__SYS_pthread+31) |
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# else |
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# define __SYS_mqueue (__SYS_pthread+28) |
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# endif |
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#else |
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# define __SYS_mqueue __SYS_pthread |
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#endif |
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/* The following are defined only if message queues are enabled */ |
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#ifndef CONFIG_DISABLE_MQUEUE |
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# define SYS_mq_close (__SYS_mqueue+0) |
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# define SYS_mq_notify (__SYS_mqueue+1) |
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# define SYS_mq_open (__SYS_mqueue+2) |
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# define SYS_mq_receive (__SYS_mqueue+3) |
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# define SYS_mq_send (__SYS_mqueue+4) |
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# define SYS_mq_timedreceive (__SYS_mqueue+5) |
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# define SYS_mq_timedsend (__SYS_mqueue+6) |
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# define SYS_mq_unlink (__SYS_mqueue+7) |
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# define __SYS_environ (__SYS_mqueue+8) |
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#else |
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# define __SYS_environ __SYS_mqueue |
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#endif |
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/* The following are defined only if environment variables are supported */ |
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#ifndef CONFIG_DISABLE_ENVIRON |
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# define SYS_clearenv (__SYS_environ+0) |
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# define SYS_getenv (__SYS_environ+1) |
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# define SYS_putenv (__SYS_environ+2) |
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# define SYS_setenv (__SYS_environ+3) |
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# define SYS_unsetenv (__SYS_environ+4) |
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# define __SYS_network (__SYS_environ+5) |
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#else |
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# define __SYS_network __SYS_environ |
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#endif |
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/* The following are defined only if networking AND sockets are supported */ |
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#if CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET) |
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# define SYS_accept (__SYS_network+0) |
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# define SYS_bind (__SYS_network+1) |
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# define SYS_connect (__SYS_network+2) |
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# define SYS_getsockopt (__SYS_network+3) |
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# define SYS_listen (__SYS_network+4) |
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# define SYS_recv (__SYS_network+5) |
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# define SYS_recvfrom (__SYS_network+6) |
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# define SYS_send (__SYS_network+7) |
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# define SYS_sendto (__SYS_network+8) |
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# define SYS_setsockopt (__SYS_network+9) |
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# define SYS_socket (__SYS_network+10) |
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# define SYS_nnetsocket (__SYS_network+11) |
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#else |
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# define SYS_nnetsocket __SYS_network |
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#endif |
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/* The following is defined only if CONFIG_TASK_NAME_SIZE > 0 */ |
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#if CONFIG_TASK_NAME_SIZE > 0 |
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# define SYS_prctl (SYS_nnetsocket+0) |
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# define SYS_maxsyscall (SYS_nnetsocket+1) |
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#else |
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# define SYS_maxsyscall SYS_nnetsocket |
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#endif |
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/* Note that the reported number of system calls does *NOT* include the |
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* architecture-specific system calls. If the "real" total is required, |
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* use SYS_maxsyscall. |
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*/ |
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#define SYS_nsyscalls (SYS_maxsyscall-CONFIG_SYS_RESERVED) |
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/**************************************************************************** |
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* Public Type Definitions |
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****************************************************************************/ |
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#ifndef __ASSEMBLY__ |
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/* This is the union of all possible stub function types */ |
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union syscall_stubfunc_u |
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{ |
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uintptr_t (*stub0)(void); |
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uintptr_t (*stub1)(uintptr_t parm1); |
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uintptr_t (*stub2)(uintptr_t parm1, uintptr_t parm2); |
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uintptr_t (*stub3)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3); |
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uintptr_t (*stub4)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, |
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uintptr_t parm4); |
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uintptr_t (*stub5)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, |
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uintptr_t parm4, uintptr_t parm5); |
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uintptr_t (*stub6)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, |
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uintptr_t parm4, uintptr_t parm5, uintptr_t parm6); |
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}; |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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#ifdef __cplusplus |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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/* Stub lookup tables. Each table is indexed by the system call numbers |
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* defined above. Given the system call number, the corresponding entry in |
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* these tables describes how to call the stub dispatch function. |
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*/ |
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EXTERN const union syscall_stubfunc_u g_stublookup[SYS_nsyscalls]; |
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EXTERN const uint8_t g_stubnparms[SYS_nsyscalls]; |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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#undef EXTERN |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __ASSEMBLY__ */ |
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#endif /* __INCLUDE_SYS_SYSCALL_H */ |
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